a(0) = 0, a(1) = 1; for n >= 2, a(n) = 9*a(n-1) + 7*a(n-2).
A015583
a(0) = 0, a(1) = 1; for n >= 2, a(n) = 9*a(n-1) + 7*a(n-2).
Terms
- a(0) =0a(1) =1a(2) =9a(3) =88a(4) =855a(5) =8311a(6) =80784a(7) =785233a(8) =7632585a(9) =74189896a(10) =721137159a(11) =7009563703a(12) =68134033440a(13) =662273246881
External references
- oeis: A015583